Improvement in carpets



R. SCOTT.

Carpets. N0. 142,947. PatentedSeptember',1873.

UNITED STATES PATENT OEEIGE.

ROBERT SCOTT, OF PHILADELPHIA, PENNSYLVANIA.

IMPROVEMENT IN CARPETS.-

Specification forming part of Letters Patent No. 142,947, dated September 16, 1873; application filed I June 30, 1873.

To all lwhom it may concern:

Be it known that I, ROBERT ScoTT,.of Philadelphia, Pennsylvania, have invented a Woolen-Faced Carpet-Fabric, ofwhich the following is a specification.: p

The object of my invention is a cheap, strong, and durable fabric for carpets and Hoor-coverings, the said lfabric having a woolen facing and a strong backing of jute or other cheap material, and being made in the manner fully described hereafter.

The fabric may be termed two-ply, as it has a facing and backing of entirely different materials, neither of which extend entirely through so as to appear upon the surface of the other, but which are so closely interwoven as to form a homogeneous fabric of the whole. The fabric is also woven .Without pile, its woolen facing presenting a smooth unbroken surface of weft-threads, tied down by tine wal-ps, as shown in Fig..3, so that it can be produced rapidly and cheaply upon any ordinary loom, the arrangement of the threads, in the present instance, being as follows: There are five sets of threads, A, B, O, D, and E, of which the weft-threads A and tine wa-rps B constitute the facing, and are entirely of wool 5y while the weft-threads C and D and the warp-threads E constitute the back- A ing, and may be of jute, hemp, flax, cotton, or

other equivalent cheap and strong material.

The coarse weft-threads A of the facing, and the coarse weft-threads G of the backing, which are, in the present instance, double the thickness of the threads A, are arranged in two layers, one resting upon the other, and are connected together, between each of the threads C, by the fine weft threads D of the backing, which are interwoven with the tine warps B and E of the facing and backing, in the manner plainly shown in the enlarged views, Figs. 1 and 2, the said tying wefts D being drawn up into the fabric, and protected, below by the coarse Wefts C, and above by the coarse facing-wefts A, so that they are entirely shielded from the eects of wear, and cannot give Way and` permit the separation of the layers While the carpet is in use. The said tying-yvefts D, moreover, are entirely covered and concealed by the Wefts A, so that they cannot appear upon', and mar the appearance of, the Woolen facing of the fabric.

The relative arrangement of the threads A and B of the Woolen facing is the same as in plain Weaving, the ne warps B, whichv serve to connect the several Wefts A, and to unite the same to the backing, passingalternately over and under the said wefts, as shown in Fig. 3. The appearance of the back ofthe fabric is illustrated in Fig. 4. Y y

The main feature of my invention is the forming of the surface of the fabric of coarse woolen weft-threads, the latter, although at vand without pile, entirely covering and concealing the inferior material of the backing withoutl aid'from the ne surface-Warps, which simply serve as tying-threads.

There is no strain upon these surface-wefts in weaving, as they have simply to be shot across and beaten up,.so that loosely-twisted material can be used, and a full soft surface obtained, an effect which could not be produced with warp-threads which are subjected to such strains that they must, necessarily, be strong, harsh, and tightly twisted.

The woolen weft and Warp threads of the facing may be dyed before weaving, so as to produce a uniform fabric of any desired shade or color. A striped or mottled effect might also be produced or the all-Wool facing might be woven plain, to receive any suitable designs by printiu g.

I claim- A two -ply carpet, consisting of a surface fabric, composed of weft-threads A, interwoven with Warp-threads B, and united to a system of baekingthreads,- C, by backing warpthreads E, which are tied to the said Warpthreads B ofthe surface-fabric by weft-threads D, disposed in the manner described, so as to permit the beating up of the weft -threads A- into intimate contact with each other, and thereby causing the said threads A to cover and conceal the locking weft-threads D, all asset forth. l

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

Witnesses: ROBERT SCOTT.

WM. A. STEEL, HUBERT HoWsoN. 

